1 files changed, 49 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/fitssppb/fsgkns.x b/pkg/tbtables/fitsio/fitssppb/fsgkns.x
new file mode 100644
index 00000000..b2ad098a
--- /dev/null
+++ b/pkg/tbtables/fitsio/fitssppb/fsgkns.x
@@ -0,0 +1,49 @@
+include "fitsio.h"
+
+procedure fsgkns(iunit,keywrd,nstart,nmax,strval,nfound,status)
+
+# read an array of character string values from  header records
+
+int     iunit           # i input file pointer
+char    keywrd[SZ_FKEYWORD]     # i keyword name
+%       character fkeywr*8
+int     nstart          # i first sequence number
+int     nmax            # i max. number of keyword
+char    strval[SZ_FSTRVAL,ARB]     # o string value
+%       character*70 fstrva
+%       character*48 comm
+%       character*8 keynam
+
+int     nfound          # o no. of keywords found
+int     status          # o error status
+int	i
+int	j
+
+begin
+
+call f77pak(keywrd,fkeywr,SZ_FKEYWORD)
+
+nfound=0
+j=nstart
+
+do i=1,nmax   {
+  call ftkeyn(fkeywr,j,keynam,status)
+  if (status > 0)
+     go to 10
+
+  call ftgkys(iunit,keynam,fstrva,comm,status)
+
+  if (status <= 0) {
+     nfound=i
+     call f77upk(fstrva,strval(1,i),SZ_FSTRVAL)
+
+  } else if (status == 202) {
+#     ignore keyword not found error
+      status=0
+  }
+  j=j+1
+ }
+
+10
+   j=0
+end